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China

Raw materials

Sodium Sulfite anhydrous Na2SO3

Quantity : one contai Price : FOB: $385/TON

Sodium Sulfite 97% 98%

Food Grade & Industrial Grade

is a soluble sodium salt of sulfurous acid (sulfite) with the chemical formula Na2SO3.It is a white crystal powder or granule that tastes salty with sulphur odor,

CAS RN.:	7757-83-7
EINECS:	231-821-4
H.S.CODE:	2832.1000.00

1. Chemical Analysis

Component	Range	Typical
Na2SO3 %	≥ 97.0 %	97.37%
Fe %	≤ 0.003%	0.003%
Water insoluble matter	≤ 0.02%	0.02%
Na2CO3	≤ 0.10%	0.10%
Na2SO4	≤ 2.5%	2.5%

2. Application

Pulp and paper industry	Lignin removal agent
Water treatment	Oxygen scavenger agent.
Photographic industry	To protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions.
Textile industry	Bleaching, desulfurizing and dechlorinating agent
Chemical manufacturing	Sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate.
Leather trade	The sulfitization of tanning extracts
Other applications	l froth flotation of ores l oil recovery l food preservatives l making dyes l It is used in the purification of TNT for military use.

3. Transportation Information:

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Location : Qilishan community, Yueyang, Hunan, China, 414000 Yueyang,
Contact : lucy lucy, 8613873003025

lucyjiang2016

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Registered since 25 March 2016

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Sodium Sulfite anhydrous Na2SO3

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